import java.lang.*;
import java.io.*;
public class exam2 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		char x = ' ';
	
		try
		{
			x = (char)System.in.read();
		}
		catch (Exception err)
		{
			System.out.println("Nhap loi! " + err.getMessage());
		}
		
		System.out.println("Ki tu vua nhap la: " + x);

	}

}
